AgsGstreamerDevin: Advanced Gtk+ Sequencer Audio Reference Manual

AgsGstreamerDevin

AgsGstreamerDevin — Input from soundcard

Stability Level

Stable, unless otherwise indicated

Functions

#define	AGS_GSTREAMER_DEVIN_GET_OBJ_MUTEX()
GQuark	ags_gstreamer_devin_error_quark ()
gboolean	ags_gstreamer_devin_test_flags ()
void	ags_gstreamer_devin_set_flags ()
void	ags_gstreamer_devin_unset_flags ()
void	ags_gstreamer_devin_switch_buffer_flag ()
void	ags_gstreamer_devin_adjust_delay_and_attack ()
void	ags_gstreamer_devin_realloc_buffer ()
AgsGstreamerDevin *	ags_gstreamer_devin_new ()

Types and Values

enum	AgsGstreamerDevinFlags
enum	AgsGstreamerDevinSyncFlags
#define	AGS_GSTREAMER_DEVIN_ERROR
enum	AgsGstreamerDevinError

Includes

#include <ags/audio/gstreamer/ags_gstreamer_devin.h>

Description

AgsGstreamerDevin represents a soundcard and supports input.

Functions

AGS_GSTREAMER_DEVIN_GET_OBJ_MUTEX()

#define AGS_GSTREAMER_DEVIN_GET_OBJ_MUTEX(obj) (&(((AgsGstreamerDevin *) obj)->obj_mutex))

ags_gstreamer_devin_error_quark ()

GQuark
ags_gstreamer_devin_error_quark ();

ags_gstreamer_devin_test_flags ()

gboolean
ags_gstreamer_devin_test_flags (AgsGstreamerDevin *gstreamer_devin,
                                guint flags);

Test flags to be set on gstreamer_devin .

Parameters

gstreamer_devin	the AgsGstreamerDevin
flags	the flags

Returns

TRUE if flags are set, else FALSE

Since: 3.6.0

ags_gstreamer_devin_set_flags ()

void
ags_gstreamer_devin_set_flags (AgsGstreamerDevin *gstreamer_devin,
                               guint flags);

Enable a feature of gstreamer_devin .

Parameters

gstreamer_devin	the AgsGstreamerDevin
flags	see AgsGstreamerDevinFlags

Since: 3.6.0

ags_gstreamer_devin_unset_flags ()

void
ags_gstreamer_devin_unset_flags (AgsGstreamerDevin *gstreamer_devin,
                                 guint flags);

Disable a feature of gstreamer_devin .

Parameters

gstreamer_devin	the AgsGstreamerDevin
flags	see AgsGstreamerDevinFlags

Since: 3.6.0

ags_gstreamer_devin_switch_buffer_flag ()

void
ags_gstreamer_devin_switch_buffer_flag
                               (AgsGstreamerDevin *gstreamer_devin);

The buffer flag indicates the currently played buffer.

Parameters

gstreamer_devin

an AgsGstreamerDevin

Since: 3.6.0

ags_gstreamer_devin_adjust_delay_and_attack ()

void
ags_gstreamer_devin_adjust_delay_and_attack
                               (AgsGstreamerDevin *gstreamer_devin);

Calculate delay and attack and reset it.

Parameters

gstreamer_devin

the AgsGstreamerDevin

Since: 3.6.0

ags_gstreamer_devin_realloc_buffer ()

void
ags_gstreamer_devin_realloc_buffer (AgsGstreamerDevin *gstreamer_devin);

Reallocate the internal audio buffer.

Parameters

gstreamer_devin

the AgsGstreamerDevin

Since: 3.6.0

ags_gstreamer_devin_new ()

AgsGstreamerDevin *
ags_gstreamer_devin_new ();

Creates a new instance of AgsGstreamerDevin.

Returns

the new AgsGstreamerDevin

Since: 3.6.0

Types and Values

enum AgsGstreamerDevinFlags

Enum values to control the behavior or indicate internal state of AgsGstreamerDevin by enable/disable as flags.

Members

AGS_GSTREAMER_DEVIN_ADDED_TO_REGISTRY	the GSTREAMER devin was added to registry, see `AgsConnectable::add_to_registry()`
AGS_GSTREAMER_DEVIN_CONNECTED	indicates the GSTREAMER devin was connected by calling `AgsConnectable::connect()`
AGS_GSTREAMER_DEVIN_BUFFER0	ring-buffer 0
AGS_GSTREAMER_DEVIN_BUFFER1	ring-buffer 1
AGS_GSTREAMER_DEVIN_BUFFER2	ring-buffer 2
AGS_GSTREAMER_DEVIN_BUFFER3	ring-buffer 3
AGS_GSTREAMER_DEVIN_BUFFER4	ring-buffer 4
AGS_GSTREAMER_DEVIN_BUFFER5	ring-buffer 5
AGS_GSTREAMER_DEVIN_BUFFER6	ring-buffer 6
AGS_GSTREAMER_DEVIN_BUFFER7	ring-buffer 7
AGS_GSTREAMER_DEVIN_ATTACK_FIRST	use first attack, instead of second one
AGS_GSTREAMER_DEVIN_RECORD	do capture
AGS_GSTREAMER_DEVIN_SHUTDOWN	stop capture
AGS_GSTREAMER_DEVIN_START_RECORD	capture starting
AGS_GSTREAMER_DEVIN_NONBLOCKING	do non-blocking calls
AGS_GSTREAMER_DEVIN_INITIALIZED	the soundcard was initialized

enum AgsGstreamerDevinSyncFlags

Enum values to control the synchronization between soundcard and client.

Members

AGS_GSTREAMER_DEVIN_PASS_THROUGH	do not sync
AGS_GSTREAMER_DEVIN_INITIAL_CALLBACK	initial callback
AGS_GSTREAMER_DEVIN_CALLBACK_WAIT	sync wait, soundcard conditional lock
AGS_GSTREAMER_DEVIN_CALLBACK_DONE	sync done, soundcard conditional lock
AGS_GSTREAMER_DEVIN_CALLBACK_FINISH_WAIT	sync wait, client conditional lock
AGS_GSTREAMER_DEVIN_CALLBACK_FINISH_DONE	sync done, client conditional lock

AGS_GSTREAMER_DEVIN_ERROR

#define AGS_GSTREAMER_DEVIN_ERROR (ags_gstreamer_devin_error_quark())

enum AgsGstreamerDevinError

Members

AGS_GSTREAMER_DEVIN_ERROR_LOCKED_SOUNDCARD